All two-stroke (or 2-cycle) engines require the operator to add a mixture of fuel and oil to the fuel tank to support engine lubrication during operation and the engine combustion chamber. If you're ...
Satellites often have thruster engines so that they can maintain their orbit precisely—but engines need fuel, and all the fuel for the lifespan of the satellite is usually included inside it at launch ...
In a gas engine, a small device called a spark plug ignites the compressed fuel-air mixture. It uses hundreds of thousands of volts to create an electrical arc that can start the burn, much like ...